diff options
Diffstat (limited to 'arch/m68knommu/kernel/time.c')
-rw-r--r-- | arch/m68knommu/kernel/time.c | 89 |
1 files changed, 0 insertions, 89 deletions
diff --git a/arch/m68knommu/kernel/time.c b/arch/m68knommu/kernel/time.c deleted file mode 100644 index a90acf5b0cde..000000000000 --- a/arch/m68knommu/kernel/time.c +++ /dev/null | |||
@@ -1,89 +0,0 @@ | |||
1 | /* | ||
2 | * linux/arch/m68knommu/kernel/time.c | ||
3 | * | ||
4 | * Copyright (C) 1991, 1992, 1995 Linus Torvalds | ||
5 | * | ||
6 | * This file contains the m68k-specific time handling details. | ||
7 | * Most of the stuff is located in the machine specific files. | ||
8 | * | ||
9 | * 1997-09-10 Updated NTP code according to technical memorandum Jan '96 | ||
10 | * "A Kernel Model for Precision Timekeeping" by Dave Mills | ||
11 | */ | ||
12 | |||
13 | #include <linux/errno.h> | ||
14 | #include <linux/module.h> | ||
15 | #include <linux/sched.h> | ||
16 | #include <linux/kernel.h> | ||
17 | #include <linux/param.h> | ||
18 | #include <linux/string.h> | ||
19 | #include <linux/mm.h> | ||
20 | #include <linux/profile.h> | ||
21 | #include <linux/time.h> | ||
22 | #include <linux/timex.h> | ||
23 | |||
24 | #include <asm/machdep.h> | ||
25 | #include <asm/irq_regs.h> | ||
26 | |||
27 | #define TICK_SIZE (tick_nsec / 1000) | ||
28 | |||
29 | static inline int set_rtc_mmss(unsigned long nowtime) | ||
30 | { | ||
31 | if (mach_set_clock_mmss) | ||
32 | return mach_set_clock_mmss (nowtime); | ||
33 | return -1; | ||
34 | } | ||
35 | |||
36 | #ifndef CONFIG_GENERIC_CLOCKEVENTS | ||
37 | /* | ||
38 | * timer_interrupt() needs to keep up the real-time clock, | ||
39 | * as well as call the "do_timer()" routine every clocktick | ||
40 | */ | ||
41 | irqreturn_t arch_timer_interrupt(int irq, void *dummy) | ||
42 | { | ||
43 | |||
44 | if (current->pid) | ||
45 | profile_tick(CPU_PROFILING); | ||
46 | |||
47 | write_seqlock(&xtime_lock); | ||
48 | |||
49 | do_timer(1); | ||
50 | |||
51 | write_sequnlock(&xtime_lock); | ||
52 | |||
53 | #ifndef CONFIG_SMP | ||
54 | update_process_times(user_mode(get_irq_regs())); | ||
55 | #endif | ||
56 | return(IRQ_HANDLED); | ||
57 | } | ||
58 | #endif | ||
59 | |||
60 | static unsigned long read_rtc_mmss(void) | ||
61 | { | ||
62 | unsigned int year, mon, day, hour, min, sec; | ||
63 | |||
64 | if (mach_gettod) | ||
65 | mach_gettod(&year, &mon, &day, &hour, &min, &sec); | ||
66 | else | ||
67 | year = mon = day = hour = min = sec = 0; | ||
68 | |||
69 | if ((year += 1900) < 1970) | ||
70 | year += 100; | ||
71 | |||
72 | return mktime(year, mon, day, hour, min, sec); | ||
73 | } | ||
74 | |||
75 | void read_persistent_clock(struct timespec *ts) | ||
76 | { | ||
77 | ts->tv_sec = read_rtc_mmss(); | ||
78 | ts->tv_nsec = 0; | ||
79 | } | ||
80 | |||
81 | int update_persistent_clock(struct timespec now) | ||
82 | { | ||
83 | return set_rtc_mmss(now.tv_sec); | ||
84 | } | ||
85 | |||
86 | void time_init(void) | ||
87 | { | ||
88 | hw_timer_init(); | ||
89 | } | ||